// copyright 2009 FUJIFILM UK Ltd 
//
function centreObject(objectId) {
	//
	var screenHeight;
	//
	if (window.innerHeight) {
		screenHeight = window.innerHeight;		
	} else {
		screenHeight = document.body.offsetHeight;
	}
	//
	var objectHeight = 564;
	//
	var objectOffset = (screenHeight - objectHeight) / 2;
	//
	if (document.getElementById) {
		var objectToOffset = document.getElementById(objectId);
		objectToOffset.style.top = objectOffset + 'px';
	}
}